Exam Category
Biology
Showing 1,107 questions & PYQs organized by topics.
Biology
01
In animals such as snails, individuals can change their sex. What does…
RRB PYQ MCQ
02
In which class do animals lack scales and have mucus glands in…
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03
_____ are free-living marine organisms.
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04
_____ is the largest group of animals.
RRB PYQ MCQ
05
How many chambers are there in the heart of amphibians?
RRB PYQ MCQ
06
In which animal is sex NOT genetically determined, according to the example…
RRB PYQ MCQ
07
The members of phylum _____ are exclusively free-living marine animals.
RRB PYQ MCQ
08
_____ is probably the largest group of animals.
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09
Select the organism having a three-chambered heart.
RRB PYQ MCQ
10
In which organism is sex not genetically predetermined in the example given?
RRB PYQ MCQ